NoRedInk can help you practice your grammar for writing.
https://www.noredink.com/

IXL is a great resource for practicing your math skills. You can go back to previous content or look ahead to see what's next!
https://www.ixl.com/signin

ReadTheory is a wonderful tool that allows you to read interesting passages and build your reading comprehension.
https://readtheory.org/auth/login

Go into EdPuzzle to find some interactive videos that work on social and emotional skills and learning strategies.
https://edpuzzle.com/media/5e94709de7cf893ef9b9f17c